.banner-big{height:500px;overflow:hidden;background: #000;position:relative;}
.banner-big .d1{width:100%;height:500px;display:block;position:absolute;left:0px;top:0px;
background-position: top center;
background-repeat: no-repeat;
}
.banner-big .d2{width:100%;height:30px;clear:both;position:absolute;z-index:100;left:0px;top:460px;}
.banner-big .d2 ul{float:left;display:inline;width: 100%;text-align: center;}
.banner-big .d2 ul li{width:17px;height:15px;overflow:hidden;cursor:pointer;margin:0 10px;display:inline-block;
border-radius: 6px;
background:#333;
height:12px;
width: 12px;
}
.banner-big .d2 ul li.nuw{background:#dab866;}